RemoveTailList - NtDoc

#ifndef _NTRTL_H

FORCEINLINE
PLIST_ENTRY
NTAPI_INLINE
RemoveTailList(
    _Inout_ PLIST_ENTRY ListHead
    )
{
    PLIST_ENTRY Entry;
    PLIST_ENTRY PrevEntry;

    Entry = ListHead->Blink;
    PrevEntry = Entry->Blink;

    if ((Entry->Flink != ListHead) || (PrevEntry->Flink != Entry)) 
    {
        RtlFatalListEntryError((PVOID)PrevEntry, (PVOID)Entry, (PVOID)ListHead);
    }

    ListHead->Blink = PrevEntry;
    PrevEntry->Flink = ListHead;

    return Entry;
}

#endif
View code on GitHub